Red Velvet main vocalist Wendy has joined the cast for the upcoming revival of Saturday Night Live Korea.According to a report by South Korean news outlet Star News, Wendy will be joining the ranks of veteran comedians such as Shin Dong-yup, who is set to serve as the programme’s producer and host, along with Ahn Young-mi, Jung Sang-hoon and Kwon Hyuk-soo. Actress Cha Chung-hwa of tVN television series Mr.